The most important thing to be aware of with insulation, other than the safety issues of urea formaldehyde and asbestos (covered elsewhere), is the R value, or the insulating factor. The higher the number, the better the insulator …

You will spot several different types of plumbing systems in any housing market, including your own. Copper, galvanized, rigid plastic, polybutylene, and soft plastic are but a few. Certain systems are more prone to having certain problems …